난연성 발포 스티렌계 수지 조성물

• Main Author: NISHIURA MASAHITO
• Format: Patent
• Language: Korean
• Published: 22.04.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; WORKING-UP

브롬 함유 난연제의 적은 첨가량으로, 높은 난연성과 열안정성을 가지고, 리사이클링 가능한 난연성 발포 스티렌계 수지 조성물을 제공한다. 　스티렌계 수지(A), 난연제(B), 지방산아연(C), 열안정제(D) 및 발포제(F)를 포함하고, 상기 난연제(B)가 테트라브로모비스페놀A-비스(2,3-디브로모-2-메틸프로필에테르)(B1)와, (B1) 이외의 브롬 함유 난연제(B2)를 포함하는 난연성 발포 스티렌계 수지 조성물. The present invention provides a recyclable flame-retardant expandable styrene-based resin composition that attains high flame retardancy and high heat stability with a small addition amount of a bromine-containing flame retardant. Specifically, the present invention provides a flame-retardant expandable styrene-based resin composition comprising a styrene-based resin (A), a flame retardant (B), fatty acid zinc (C), a heat stabilizer (D), and a foaming agent (F), wherein the flame retardant (B) comprises tetrabromobisphenol A-bis(2,3-dibromo-2-methylpropyl ether) (B1) and a bromine-containing flame retardant (B2) other than (B1).